Installation of panels on membrane and paper – non-invasive, ballast-free systems

A flat roof covered with a membrane or felt can have a low strength. This prompts installers to use weightless methods of installing photovoltaic panels that do not significantly load the roof. Increasingly, systems that are welded to the roof surface and do not damage the roof structure are being used. What is the installation of panels on membrane and paper? We discuss the topic in more detail in this article.

What are the characteristics of ballast-free structures?
Why are they used for membrane and paper installation?

Ballast-free structures are mounting solutions that allow photovoltaic panels to be installed on flat roofs without the need for heavy ballasts such as stones or concrete blocks. Instead, the photovoltaic panels are securely attached to the roof using special mounting systems that do not damage the existing roof insulation. This makes the installation more efficient and environmentally friendly.

Advantages of ballast-free structures

1. Reduced system weight: Traditional mounting systems with additional ballasts can put significant weight on the roof, which can lead to the need to reinforce the roof structure. Ballast-free structures are lighter, avoiding costly roof alterations.
2. Unbroken roof integrity: roofs covered with felt and membranes are susceptible to damage from improper installation of photovoltaic panels. Ballast-free systems are designed not to interfere with the roof covering, eliminating the risk of water leakage. The welded structures have the highest certificates of non-combustibility.
3. Fast installation: ballast-free structures are easier to install, which means shorter installation times. They are compact and very light, transporting them to the site is easier and cheaper. This in turn can reduce the cost of the entire photovoltaic installation.
4. Safety and long warranty: welded structures are designed with durability in mind, meaning that they can last for many years without the need for repair or replacement. The highest third class of fire resistance exceeds the requirements of insurers, who usually require resistance class 1. These are designs with self-extinguishing properties and materials that have the highest UV and chemical resistance. The manufacturer offers up to a 20-year guarantee when used with its membranes and a 10-year guarantee with third-party membranes.
5. Improved efficiency of photovoltaic panels: Mounting photovoltaic panels at the right angles and orientation is crucial to their performance. Ballast-free systems allow the panels to be positioned precisely, resulting in more energy produced.
6. Simple maintenance: System components are easily accessible, making maintenance easy.
7. Competitive price: Ballast-free structures are competitively priced to ballasted systems. There is no need to add weight to the structure with blocks.

Summary

Ballast-free systems represent an innovative approach to the installation of photovoltaic panels on flat roofs, particularly those covered with a membrane or felt. This solution allows solar energy to be produced while not interfering with the roof covering and putting little strain on the surface. This reduces the risk of roof damage and leaks to a minimum. For investors interested in renewable energy sources, these solutions are becoming increasingly attractive due to their long-term economic and ecological benefits. They can be used for both new and existing buildings.

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